Russian Gold & Green Enamel Locket Pendant On Chain

An unusual 14ct58.5% pure gold (or 585 parts pure gold to 415 parts other metals) locket  which was made in Pre Revolutionary Russia circa 1910. It is a beautiful pale apple green colour enamelA pigmented glass-like material used in powdered form and fused onto the metal surface of a piece of jewellery. and is set with a diamondA precious, lustrous gemstone made of highly compressed carbon. Diamonds are one of the hardest materials known to mankind. Colours of diamonds range from colourless, yellow, orange and brown to almost black. Natural coloured (or ‘fancy’) diamonds can be extremely rare. The cut, colour, clarity and carat weight of a diamond are the criteria jewellers use….  The gold is engraved like waves underneath the translucent enamel. Inside there are two locket sections. The chain is original to the locket and has Russian marks for 14ct gold Moscow. The maker of the locket is Yelisei Vlublvonny, a St Petersburg jeweller who had a shop at Liteiny 55, St Petersburg in 1912.